UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tjjeCE8IIxH5DNEjAeFSLB3yOzn5vjDL1l1hZl+Vu2c=' 
WHERE 
  key_id = '878c12fcce573f9ce43421268a3a46a91b3a1993544f55bc94aca42e7f5ad974' 
  AND (
    token = 'tjjeCE8IIxH5DNEjAeFSLB3yOzn5vjDL1l1hZl+Vu2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )